1366 - Incorrect integer value: '' for column `mapshopatlogis`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', 'f1dcd1a50fd0cc7253ba92a68daffa8c', '18.217.8.82', '1714145581', '1714145581', '/index.php/language/de/cat/c19_Relief-Maps-Digital.html')

[XT SQL Error]